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Ammonium Alunite and Basic Aluminum Sulfate: Effect of Precipitant Agent

Received: 7 February 2015     Accepted: 24 February 2015     Published: 9 March 2015
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Abstract

Ammonium bisulfite as a precipitating agent was used to synthesize basic aluminum sulfate (BAS) by homogeneous precipitation. Aluminum sulfate in aqueous solution was used as the raw material. High concentration of the precipitant agent promotes the formation of ammonium alunite, which was confirmed by XRD, TG/DTG and FTIR analysis. The ammonium alunite has less sulfate ions and more water than the BAS, and so, the ammonium alunite heat treated up to 1200°C produces 28 weight percent of Al2O3. In comparison the BAS generates 48 weight percent of Al2O3 as a final product. Homogeneous precipitation promotes the formation of amorphous spherical particles of basic aluminum sulfate and lamellar crystalline particles of ammonium alunite which were observed by field emission microscopy (FEM).

Published in International Journal of Materials Science and Applications (Volume 4, Issue 2)
DOI 10.11648/j.ijmsa.20150402.14
Page(s) 96-100
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2015. Published by Science Publishing Group

Keywords

Ammonium Bisulfite, Ammonium Alunite, Basic Aluminum Sulfate, Homogeneous Precipitation

References
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    Adrián Zamorategui Molina, Julio del Ángel Soto, Merced Martínez Rosales, Rafael Romero Toledo. (2015). Ammonium Alunite and Basic Aluminum Sulfate: Effect of Precipitant Agent. International Journal of Materials Science and Applications, 4(2), 96-100. https://doi.org/10.11648/j.ijmsa.20150402.14

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    ACS Style

    Adrián Zamorategui Molina; Julio del Ángel Soto; Merced Martínez Rosales; Rafael Romero Toledo. Ammonium Alunite and Basic Aluminum Sulfate: Effect of Precipitant Agent. Int. J. Mater. Sci. Appl. 2015, 4(2), 96-100. doi: 10.11648/j.ijmsa.20150402.14

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    AMA Style

    Adrián Zamorategui Molina, Julio del Ángel Soto, Merced Martínez Rosales, Rafael Romero Toledo. Ammonium Alunite and Basic Aluminum Sulfate: Effect of Precipitant Agent. Int J Mater Sci Appl. 2015;4(2):96-100. doi: 10.11648/j.ijmsa.20150402.14

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  • @article{10.11648/j.ijmsa.20150402.14,
      author = {Adrián Zamorategui Molina and Julio del Ángel Soto and Merced Martínez Rosales and Rafael Romero Toledo},
      title = {Ammonium Alunite and Basic Aluminum Sulfate: Effect of Precipitant Agent},
      journal = {International Journal of Materials Science and Applications},
      volume = {4},
      number = {2},
      pages = {96-100},
      doi = {10.11648/j.ijmsa.20150402.14},
      url = {https://doi.org/10.11648/j.ijmsa.20150402.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150402.14},
      abstract = {Ammonium bisulfite as a precipitating agent was used to synthesize basic aluminum sulfate (BAS) by homogeneous precipitation. Aluminum sulfate in aqueous solution was used as the raw material. High concentration of the precipitant agent promotes the formation of ammonium alunite, which was confirmed by XRD, TG/DTG and FTIR analysis. The ammonium alunite has less sulfate ions and more water than the BAS, and so, the ammonium alunite heat treated up to 1200°C produces 28 weight percent of Al2O3. In comparison the BAS generates 48 weight percent of Al2O3 as a final product. Homogeneous precipitation promotes the formation of amorphous spherical particles of basic aluminum sulfate and lamellar crystalline particles of ammonium alunite which were observed by field emission microscopy (FEM).},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Ammonium Alunite and Basic Aluminum Sulfate: Effect of Precipitant Agent
    AU  - Adrián Zamorategui Molina
    AU  - Julio del Ángel Soto
    AU  - Merced Martínez Rosales
    AU  - Rafael Romero Toledo
    Y1  - 2015/03/09
    PY  - 2015
    N1  - https://doi.org/10.11648/j.ijmsa.20150402.14
    DO  - 10.11648/j.ijmsa.20150402.14
    T2  - International Journal of Materials Science and Applications
    JF  - International Journal of Materials Science and Applications
    JO  - International Journal of Materials Science and Applications
    SP  - 96
    EP  - 100
    PB  - Science Publishing Group
    SN  - 2327-2643
    UR  - https://doi.org/10.11648/j.ijmsa.20150402.14
    AB  - Ammonium bisulfite as a precipitating agent was used to synthesize basic aluminum sulfate (BAS) by homogeneous precipitation. Aluminum sulfate in aqueous solution was used as the raw material. High concentration of the precipitant agent promotes the formation of ammonium alunite, which was confirmed by XRD, TG/DTG and FTIR analysis. The ammonium alunite has less sulfate ions and more water than the BAS, and so, the ammonium alunite heat treated up to 1200°C produces 28 weight percent of Al2O3. In comparison the BAS generates 48 weight percent of Al2O3 as a final product. Homogeneous precipitation promotes the formation of amorphous spherical particles of basic aluminum sulfate and lamellar crystalline particles of ammonium alunite which were observed by field emission microscopy (FEM).
    VL  - 4
    IS  - 2
    ER  - 

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Author Information
  • Department of Civil Engineering, University of Guanajuato, Guanajuato, Gto., Mexico

  • Department of Chemistry, University of Guanajuato, Guanajuato, Gto., Mexico

  • Department of Chemistry, University of Guanajuato, Guanajuato, Gto., Mexico

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